TWM464562U - Cold-hot water balance valve structure and cold-hot water valve having the cold-hot water balance valve structure - Google Patents

Description

Cold and hot water balance valve structure and hot and cold water valve having the structure of the hot and cold water balance valve

This creation is about a cold water balance valve structure.

Among the conventional cold and hot water balance valves, there is a type in which a fixed valve tube and a movable valve core capable of laterally sliding in the fixed valve tube are mainly constructed, such as those disclosed in Patent TW M421420 or TW M421424, wherein The fixed valve tube has a cold water inlet and a hot water inlet separated from each other, and the movable valve core has a cold water perforation and a hot water perforation corresponding to the cold water inlet and the hot water inlet respectively, and the movable valve core has a inside The partition partitions the water into a cold water trough and a hot water trough, and the cold water trough and the hot water trough communicate with the cold water perforation and the hot water perforation respectively, because the opposite sides of the partition are respectively subjected to cold water and The water pressure of the hot water is pushed. When the water pressure of the cold water and the hot water is different, the movable valve core is pushed and slipped, so that the overlapping area of the cold water perforation and the cold water inlet, and the overlapping area of the hot water perforation and the hot water inlet are mutually If the water pressure is too large, the overlapping area will be small. Conversely, if the water pressure is too small, the overlapping area will be large. By adjusting the size of the cold and hot water inlets, the water temperature can be adjusted without water pressure. Large and burn the user, it will not result in smaller when the water temperature is too cold due to water pressure.

Since the movable spool must slide in the fixed valve tube to have the effect of water temperature balance, the ease of sliding of the movable spool affects the sensitivity of the water temperature regulation. Therefore, the friction between the movable spool and the fixed valve stem should be as far as possible. Reduction is better, however, if it is to reduce friction, The outer diameter of the movable valve core is reduced to avoid contact with the fixed valve tube, and the gap between the fixed valve tube and the movable valve core is too large, and cold and hot water may also be mixed in the gap, and the sensing capability of the partition plate for water pressure is also reduced. , resulting in poor control effects.

For such balancing valves, the sliding smoothness of the movable spool is extremely important for water pressure sensing and regulation. In more detail, if the friction between the movable spool and the fixed stem is too large, the water pressure difference is fine. It may not be possible to overcome the static friction and reduce the sensitivity.

The main purpose of this creation is to provide a structure of cold and hot water balance valve, which can reduce the friction between the active valve core and the fixed valve tube by water lubrication and buffering capacity, and even maintain the movable valve core at the center of the fixed valve tube. Contact each other to facilitate free sliding of the movable spool.

In order to achieve the above object, the present invention provides a structure of a hot and cold water balance valve for mounting in a water valve body. The water valve body defines a receiving space, and the receiving space has a first end and a second. The first end has a cold water inlet and a hot water inlet which are disposed apart from each other, and the second end has a cold water outlet and a hot water outlet which are disposed apart from each other, and the water valve body is in the accommodating space The two sides have at least a first side wall and a second side wall. The hot and cold water balance valve structure comprises a fixed valve tube and a movable valve core.

The fixed valve tube is a hollow tube body and is located in the accommodating space, and has a first port facing the first side wall and a second port facing the second side wall, and the fixed valve tube is formed with a cold water inlet position corresponding to and communicating with one of the cold water introduction holes and a hot water introduction hole corresponding to the hot water inlet position, the first port being in communication with the hot water outlet, the second port and the cold water outlet Connected.

The movable valve core is disposed in the fixed valve tube, and the movable valve core has a relative cold a water outlet and a hot water end, a cold water trough is recessed from the cold water end, and a hot water trough is recessed from the hot water end, and a sliding direction is defined by the connection between the cold water end and the hot water end, The movable valve core can slide in the sliding valve tube along the sliding direction, and a diaphragm is disposed inside the movable valve core to isolate the cold water passage groove from the hot water passage groove, and the movable valve core is connected to the movable valve core. a cold water introduction hole and a cold water perforation between the cold water passage groove, and a hot water perforation communicating between the hot water introduction hole and the hot water passage groove, when the movable valve core slides toward the first side wall, The area of the cold water perforation overlapping the cold water introduction hole is reduced, and the area of the hot water perforation overlapping the hot water introduction hole becomes larger, and the cold water perforation and the cold water are slipped when the movable valve core slides toward the second side wall. The area where the introduction holes overlap is increased, and the area in which the hot water perforations overlap with the hot water introduction holes is reduced. Wherein, the movable valve core outer wall ring is provided with at least one groove, and the at least one groove position corresponds to the partition.

The present invention also provides a hot and cold water valve having the above-mentioned structure of a hot and cold water balance valve. The hot and cold water valve further includes a water valve body, and the water valve body defines an accommodation space, and the accommodation space has a first one. And a second end having a cold water inlet and a hot water inlet disposed apart from each other, the second end having a cold water outlet and a hot water outlet disposed apart from each other, the water valve body being Both sides of the accommodating space have at least a first side wall and a second side wall.

With the above structure, water can enter the gap between the movable valve core and the fixed valve tube and further accommodated in the groove, and the water contained in the groove can provide lubrication and a barrier to maintain the movable spool The central position of the fixed valve tube is not in contact with the inner wall of the fixed valve tube, so that the movable valve core can smoothly slide in the fixed valve tube, and the slight change of the water pressure can be timely slipped to adjust Water pressure into the water.

10‧‧‧Fixed valve tube

11‧‧‧First port

12‧‧‧second port

13‧‧‧ hot water inlet

14‧‧‧ cold water introduction hole

20‧‧‧Active spool

21‧‧‧ hot water troughing

22‧‧‧ cold water trough

23‧‧‧Baffle

24‧‧‧hot water perforation

25‧‧‧Cold water perforation

26‧‧‧ Groove

30‧‧‧Water valve body

31‧‧‧ hot water inlet

32‧‧‧ cold water inlet

33‧‧‧hot water outlet

34‧‧‧ cold water outlet

35‧‧‧First side wall

36‧‧‧second side wall

Figure 1 is a perspective view of the structure of the cold and hot water balance valve of the present invention.

Figure 2 is an exploded perspective view of the structure of the cold and hot water balance valve of the present invention.

Figure 3 is a cross-sectional view showing the structure of the cold and hot water balance valve of the present invention.

3A is a partial enlarged view of FIG. 3.

Figure 4 is a cross-sectional view showing the other direction of the cold and hot water balance valve structure of the present invention.

4A is a partial enlarged view of FIG. 4.

Figure 5 is a cross-sectional view of the cold and hot water valve of the present invention.

The following is a description of possible implementations of the present invention by way of example only, and is not intended to limit the scope of the creation of the present invention.

Referring to FIG. 1 to FIG. 5 , the present invention provides a structure of a hot and cold water balance valve and a hot and cold water valve having the structure of the hot and cold water balance valve. Referring to FIG. 5 , the hot and cold water valve has a structure other than the cold water balance valve. A water valve body 30 is defined. The water valve body 30 defines an accommodating space having a first end and a second end. The first end has a cold water inlet 32 spaced apart from each other. a hot water inlet 31 having a cold water outlet 34 and a hot water outlet 33 spaced apart from each other, the water valve body 30 having at least a first side wall 35 and a first side on both sides of the accommodating space Two side walls 36.

As for the structure of the hot and cold water balance valve, please refer to FIG. 1 to FIG. 4 and FIG. 3A and FIG. 4A, which includes a fixed valve tube 10 and a movable valve core 20, the structure of which is detailed later.

The fixed valve tube 10 is a hollow tube body and is located in the accommodating space, and has a first port 11 facing the first side wall 35 and a second port 12 facing the second side wall 36. The fixed valve tube 10 is formed with a cold water introduction hole 14 corresponding to the position of the cold water inlet 32 and communicating with the hot water inlet 31 and communicating with a hot water introduction hole 13 , the first port 11 and The hot water outlet 33 is in communication, and the second port 12 is in communication with the cold water outlet 34.

The movable valve core 20 is disposed in the fixed valve tube 10, and the movable valve core 20 has a pair of cold water ends and a hot water end. A cold water passage groove 22 is recessed from the cold water end, and the hot water end is recessed from the hot water end. a hot water passing groove 21 defines a sliding direction by a line connecting the cold water end and the hot water end, and the movable valve core 20 can slide in the fixed valve tube 10 along the sliding direction, and the movable valve core 20 is internally provided A partition 23 separates the cold water passage 22 from the hot water passage 21, and the movable spool 20 defines a cold water perforation 25 communicating between the cold water introduction hole and the cold water passage 22, and a connection a hot water perforation 24 between the hot water introduction hole and the hot water passage 21, and when the movable valve body 20 slides in the direction of the first side wall 35, the area of the cold water perforation 25 overlapping the cold water introduction hole The area of the hot water perforation 24 overlapping the hot water introduction hole is increased, and when the movable valve body 20 is slid toward the second side wall 36, the area of the cold water perforation 25 overlapping the cold water introduction hole becomes large. And the area where the hot water perforation 24 overlaps with the hot water introduction hole is reduced. The outer wall ring of the movable valve core 20 is provided with at least one groove 26, and the groove 26 is located corresponding to the partition plate 23. Preferably, the groove 26 surrounds the movable valve core 20 with the sliding direction as a shaft. More preferably, the groove 26 defines a width along the sliding direction along the radial direction of the movable valve body 20. Defining a depth, the width and depth of the groove 26 are substantially equivalent.

In actual use, the cold and hot water valve provided by the present invention can be installed on the faucet mandrel, and the hot water inlet 31 and the cold water inlet 32 are respectively connected to a cold water source and a hot water source for the cold water and the hot water respectively. Inflow, cold water flows into the cold water passage 22 through the cold water inlet 32, the cold water introduction hole 14 and the cold water perforation 25, and further flows out from the cold water outlet 34, and the hot water passes through the cold water outlet 34. The hot water inlet 31, the hot water introduction hole 13 and the hot water perforation 24 flow into the hot water passage 21, and further flow out from the hot water outlet 33, and the cold water and the hot water further enter the mixing chamber for mixing. When the entered hot water pressure is greater than the cold water pressure, the partition 23 is pushed by the hot water to move the movable spool 20 toward the second side wall 36. At this time, the hot water introduction hole 13 and the hot water The area where the perforations 24 overlap is reduced, and the area where the cold water introduction hole 14 overlaps with the cold water perforation 25 becomes large, so that the path through which the hot water can flow is reduced, and the path through which the cold water can flow is enlarged, thereby offsetting the large difference in the hot water pressure ( The effect of the faster flow rate; similarly, if the incoming cold water pressure is greater than the hot water pressure, the partition 23 is pushed by the cold water to move the movable spool 20 toward the first side wall 35. The area where the hot water introduction hole 13 overlaps with the hot water perforation 24 is increased, and the area where the cold water introduction hole 14 overlaps with the cold water perforation 25 is reduced, so that the path through which the hot water can flow is enlarged, and the path through which the cold water can flow is reduced. In order to offset the impact of large cold water pressure (faster flow rate).

Wherein, due to the arrangement of the groove 26, a slight amount of water can enter the groove 26 by the gap between the movable valve body 20 and the fixed valve tube 10, that is, the water can be fixed in the movable valve body 20 Lubrication and buffering are formed between the valve tubes 10. When the movable spool 20 slides in the fixed valve tube 10, the movable spool 20 is like being floated in the fixed valve tube 10, and hardly touches and rubs against the fixed valve tube. The inner wall of 10 can reduce the negative influence of friction on the sliding of the movable spool 20, so even if the difference in water pressure between the hot water and the cold water is small, the movable spool 20 can be pushed to slide without overcoming the movable spool 20 and fixing. The static friction between the valve tubes 10 has a high acuity, and the difference in water pressure can be immediately reacted and actuated to achieve the effect of water temperature balance.

Therefore, the present invention can effectively improve the slidability of the movable valve core by simple structure and simple processing, and can avoid excessive gaps, causing premature mixing of cold and hot water and difficulty in sensing water pressure difference. It has a progressive effect.

10‧‧‧Fixed valve tube

11‧‧‧First port

12‧‧‧second port

13‧‧‧ hot water inlet

14‧‧‧ cold water introduction hole

20‧‧‧Active spool

21‧‧‧ hot water troughing

22‧‧‧ cold water trough

23‧‧‧Baffle

24‧‧‧hot water perforation

25‧‧‧Cold water perforation

26‧‧‧ Groove

Claims (4)

The utility model relates to a structure of a cold water and hot water balance valve, which is installed in a water valve body, wherein the water valve body defines an accommodating space, the accommodating space has a first end and a second end, and the first end has a cold water inlet and a hot water inlet partitioned from each other, the second end having a cold water outlet and a hot water outlet disposed at a distance from each other, the water valve body having at least one first side wall on both sides of the accommodating space And a second side wall, the hot and cold water balance valve structure comprises: a fixed valve tube, is a hollow tube body and is located in the accommodating space, has a first port facing the first side wall and facing the second side wall a second port, the fixed valve tube is formed with a cold water introduction hole corresponding to the cold water inlet position and communicating with a hot water introduction hole corresponding to the hot water inlet position, the first port and the first port The hot water outlet is in communication, the second port is in communication with the cold water outlet; a movable valve core is disposed in the fixed valve tube, the movable valve core has a relatively cold water end and a hot water end, from the cold water a cold water through slot a hot water passage groove is recessed from the hot water end, and a sliding direction is defined by a line connecting the cold water end and the hot water end, and the movable valve core can slide in the fixed valve tube along the sliding direction, the movable valve A partition is disposed in the core to isolate the cold water passage groove from the hot water passage groove, and the movable valve core defines a cold water perforation communicating between the cold water introduction hole and the cold water passage groove, and is connected to the Hot water inlet hole and hot water perforation between the hot water passage groove, when the movable valve core slides toward the first side wall, the area of the cold water perforation overlapping with the cold water introduction hole is reduced, and the hot water perforation is The area where the hot water introduction hole overlaps becomes larger, and when the movable valve body slides toward the second side wall, the area of the cold water perforation overlapping the cold water introduction hole becomes larger, and the hot water perforation and the hot water introduction hole The overlapping area is reduced; wherein the movable valve core outer wall ring is provided with at least one groove, the at least one groove position and the partition The board corresponds. The hot and cold water balance valve structure according to claim 1, wherein the groove surrounds the movable valve core in a circle with the sliding direction as an axis. The hot and cold water balance valve structure according to claim 1, wherein the groove defines a width along the sliding direction, and a depth is defined along a radial direction of the movable valve core, and the width and depth of the groove are substantially equal. A hot and cold water valve comprising the cold and hot water balance valve structure according to any one of claims 1 to 3, further comprising a water valve body, the water valve body defining an accommodation space, the accommodation space having a relative one a first end and a second end, the first end having a cold water inlet and a hot water inlet disposed apart from each other, the second end having a cold water outlet and a hot water outlet disposed apart from each other, the body being Both sides of the accommodating space have at least a first side wall and a second side wall.